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  2. Canon EF lens mount - Wikipedia

    en.wikipedia.org/wiki/Canon_EF_lens_mount

    That lens was the Canon EF 8-15mm f/4L Fisheye USM. Canon in 2012 made the first wide angle lens with Image Stabilization. That lens was the Canon EF 24mm f/2.8 IS USM. Canon in 2013 created the first telephoto with built-in 1.4× extender. That lens was Canon EF 200-400mm f/4L IS USM Extender 1.4x. [19]

  3. Canon EF-M lens mount - Wikipedia

    en.wikipedia.org/wiki/Canon_EF-M_lens_mount

    The EF-M lens mount is one of Canon's two systems for mirrorless cameras, the other being the RF mount. The M system has an 18 mm flange focal distance (compared to 20 mm for RF and 44 mm for EF and EF-S) and a 47 mm throat diameter (compared to 54 mm for EF, EF-S, and RF). As it is designed for use with an APS-C-sized image sensor, it features ...

  4. Canon EF-S lens mount - Wikipedia

    en.wikipedia.org/wiki/Canon_EF-S_lens_mount

    An example of a plastic EF-S lens mount. The Canon EF-S lens mount is a derivative of the EF lens mount created for some Canon digital single-lens reflex cameras with APS-C sized image sensors. It was released in 2003. Cameras with the EF-S mount are backward compatible with the EF lenses and, as such, have a flange focal distance of 44.0 mm ...

  5. Lenses for SLR and DSLR cameras - Wikipedia

    en.wikipedia.org/.../Lenses_for_SLR_and_DSLR_cameras

    The gold-plated electronic contacts of an EF-mount lens. Canon introduced the EF-lens mount in 1987 as part of the EOS system. It broke with the most common technique for implementing autofocus at that time by not having a mechanical connection to a motor in the camera body, having instead only electrical connections and requiring a motor to be ...

  6. Canon EF 500mm lens - Wikipedia

    en.wikipedia.org/wiki/Canon_EF_500mm_lens

    From left to right: EF 28-300mm f / 3.5-5.6L IS USM, 70–200 f / 2.8L IS USM, 300mm f / 2.8L IS USM, 500mm f / 4L IS USM. The EF 500mm lenses are a group of super-telephoto prime lenses made by Canon that share the same focal length. These lenses have an EF type mount, and fit the Canon EOS line of digital single lens reflex cameras.

  7. Canon EF 1200mm lens - Wikipedia

    en.wikipedia.org/wiki/Canon_EF_1200mm_lens

    The EF 1200 mm f / 5.6 L USM is a super-telephoto prime lens that was made by Canon Inc. It uses an EF mount, and is compatible with the Canon EOS camera range. It has a focal length of 1200 mm and so on a digital body with a sensor size of 22.5 mm × 15 mm (called 1.6× crop), such as a Canon EOS 40D or 450D, it provides a 35 mm field of view equivalent to that of a 1920 mm lens.

  8. Canon EF 70-300mm lens - Wikipedia

    en.wikipedia.org/wiki/Canon_EF_70-300mm_lens

    The EF 70–300mm lenses are a series of telephoto zoom lenses made by Canon Inc. They have a Canon EF lens mount to work with the EOS line of cameras. Four Canon EF telephoto zoom lenses carry the 70–300mm designation. EF 70–300mm f / 4.5–5.6 DO IS USM; EF 70–300mm f / 4–5.6L IS USM; EF 70–300mm f / 4–5.6 IS USM; EF 70–300mm f ...

  9. Canon EF 28-90mm lens - Wikipedia

    en.wikipedia.org/wiki/Canon_EF_28-90mm_lens

    The Canon EF 28–90mm f / 4–5.6 is a full frame SLR zoom lens, also often included as a kit lens with Canon EOS film cameras. The maximum aperture is f / 4 at 28mm, reducing to f / 5.6 at 90mm. When set to 90mm, this will create a moderate amount of background blur for portrait photography.

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